# Bolt Length vs 素因数分解計算機アプリ

The clearest difference is price: Bolt Length at Free against 素因数分解計算機アプリ's $0.49. 素因数分解計算機アプリ's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Bolt Length is free to download; 素因数分解計算機アプリ costs $0.49 up front. Bolt Length sells 1 one-off in-app purchase. 素因数分解計算機アプリ asks for nothing beyond the download.

Bolt Length ships an update every 20 months, 素因数分解計算機アプリ daily. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Bolt Length | 素因数分解計算機アプリ |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/bolt-length-nominal-length/id1042345193/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 20 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 22 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [mitsunori oishi](https://appshunter.io/developer/905649994) | [kotobaz](https://appshunter.io/developer/1634727152) |

## What reviewers say

### Bolt Length

[App page](https://appshunter.io/ios/app/bolt-length-nominal-length/id1042345193)

This application helps calculate the length of metric coarse screws based on Japanese Industrial Standards. It is designed for mechanical design purposes and should be used at the user's own risk.

**Highlights:** Metric coarse screw length calculation, Conforms to Japanese Industrial Standards (JIS), Designed for mechanical design, User risk disclaimer

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide Ads | $1.99 | one-time |


### 素因数分解計算機アプリ

[App page](https://appshunter.io/ios/app/soin/id6502540829)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bolt Length free?

Bolt Length is free to download, with in-app purchases available.

### Is 素因数分解計算機アプリ free?

素因数分解計算機アプリ costs $0.49, with no in-app purchases.

### Do Bolt Length or 素因数分解計算機アプリ have ads?

Bolt Length shows ads; 素因数分解計算機アプリ does not.

### Which is updated more often, Bolt Length or 素因数分解計算機アプリ?

Bolt Length ships an update every 20 months, and 素因数分解計算機アプリ daily. Most recently, Bolt Length was updated on November 2, 2026 and 素因数分解計算機アプリ on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*